1 /******************************************************************************
3 * Name: acglobal.h - Declarations for global variables
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2006, R. Byron Moore
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44 #ifndef __ACGLOBAL_H__
45 #define __ACGLOBAL_H__
48 * Ensure that the globals are actually defined and initialized only once.
50 * The use of these macros allows a single list of globals (here) in order
51 * to simplify maintenance of the code.
53 #ifdef DEFINE_ACPI_GLOBALS
55 #define ACPI_INIT_GLOBAL(a,b) a=b
57 #define ACPI_EXTERN extern
58 #define ACPI_INIT_GLOBAL(a,b) a
62 * Keep local copies of these FADT-based registers. NOTE: These globals
63 * are first in this file for alignment reasons on 64-bit systems.
65 ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_enable;
66 ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1b_enable;
68 /*****************************************************************************
72 ****************************************************************************/
74 /* Runtime configuration of debug print levels */
76 extern u32 acpi_dbg_level;
77 extern u32 acpi_dbg_layer;
79 /* Procedure nesting level for debug output */
81 extern u32 acpi_gbl_nesting_level;
83 /* Support for dynamic control method tracing mechanism */
85 ACPI_EXTERN u32 acpi_gbl_original_dbg_level;
86 ACPI_EXTERN u32 acpi_gbl_original_dbg_layer;
87 ACPI_EXTERN acpi_name acpi_gbl_trace_method_name;
88 ACPI_EXTERN u32 acpi_gbl_trace_dbg_level;
89 ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer;
90 ACPI_EXTERN u32 acpi_gbl_trace_flags;
92 /*****************************************************************************
94 * Runtime configuration (static defaults that can be overriden at runtime)
96 ****************************************************************************/
99 * Enable "slack" in the AML interpreter? Default is FALSE, and the
100 * interpreter strictly follows the ACPI specification. Setting to TRUE
101 * allows the interpreter to ignore certain errors and/or bad AML constructs.
103 * Currently, these features are enabled by this flag:
105 * 1) Allow "implicit return" of last value in a control method
106 * 2) Allow access beyond the end of an operation region
107 * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
108 * 4) Allow ANY object type to be a source operand for the Store() operator
109 * 5) Allow unresolved references (invalid target name) in package objects
110 * 6) Enable warning messages for behavior that is not ACPI spec compliant
112 ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_enable_interpreter_slack, FALSE);
115 * Automatically serialize ALL control methods? Default is FALSE, meaning
116 * to use the Serialized/not_serialized method flags on a per method basis.
117 * Only change this if the ASL code is poorly written and cannot handle
118 * reentrancy even though methods are marked "NotSerialized".
120 ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_all_methods_serialized, FALSE);
123 * Create the predefined _OSI method in the namespace? Default is TRUE
124 * because ACPI CA is fully compatible with other ACPI implementations.
125 * Changing this will revert ACPI CA (and machine ASL) to pre-OSI behavior.
127 ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_create_osi_method, TRUE);
130 * Disable wakeup GPEs during runtime? Default is TRUE because WAKE and
131 * RUNTIME GPEs should never be shared, and WAKE GPEs should typically only
132 * be enabled just before going to sleep.
134 ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_leave_wake_gpes_disabled, TRUE);
136 /*****************************************************************************
140 ****************************************************************************/
143 * acpi_gbl_root_table_list is the master list of ACPI tables found in the
146 * acpi_gbl_FADT is a local copy of the FADT, converted to a common format.
148 ACPI_EXTERN struct acpi_internal_rsdt acpi_gbl_root_table_list;
149 ACPI_EXTERN struct acpi_table_fadt acpi_gbl_FADT;
152 * Handle both ACPI 1.0 and ACPI 2.0 Integer widths. The integer width is
153 * determined by the revision of the DSDT: If the DSDT revision is less than
154 * 2, use only the lower 32 bits of the internal 64-bit Integer.
156 ACPI_EXTERN u8 acpi_gbl_integer_bit_width;
157 ACPI_EXTERN u8 acpi_gbl_integer_byte_width;
158 ACPI_EXTERN u8 acpi_gbl_integer_nybble_width;
160 /*****************************************************************************
162 * Mutual exlusion within ACPICA subsystem
164 ****************************************************************************/
167 * Predefined mutex objects. This array contains the
168 * actual OS mutex handles, indexed by the local ACPI_MUTEX_HANDLEs.
169 * (The table maps local handles to the real OS handles)
171 ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[ACPI_NUM_MUTEX];
174 * Global lock semaphore works in conjunction with the actual HW global lock
176 ACPI_EXTERN acpi_mutex acpi_gbl_global_lock_mutex;
177 ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore;
180 * Spinlocks are used for interfaces that can be possibly called at
183 ACPI_EXTERN spinlock_t _acpi_gbl_gpe_lock; /* For GPE data structs and registers */
184 ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock; /* For ACPI H/W except GPE registers */
185 #define acpi_gbl_gpe_lock &_acpi_gbl_gpe_lock
186 #define acpi_gbl_hardware_lock &_acpi_gbl_hardware_lock
188 /*****************************************************************************
190 * Miscellaneous globals
192 ****************************************************************************/
194 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
196 /* Lists for tracking memory allocations */
198 ACPI_EXTERN struct acpi_memory_list *acpi_gbl_global_list;
199 ACPI_EXTERN struct acpi_memory_list *acpi_gbl_ns_node_list;
204 ACPI_EXTERN acpi_cache_t *acpi_gbl_namespace_cache;
205 ACPI_EXTERN acpi_cache_t *acpi_gbl_state_cache;
206 ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_cache;
207 ACPI_EXTERN acpi_cache_t *acpi_gbl_ps_node_ext_cache;
208 ACPI_EXTERN acpi_cache_t *acpi_gbl_operand_cache;
210 /* Global handlers */
212 ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_device_notify;
213 ACPI_EXTERN struct acpi_object_notify_handler acpi_gbl_system_notify;
214 ACPI_EXTERN acpi_exception_handler acpi_gbl_exception_handler;
215 ACPI_EXTERN acpi_init_handler acpi_gbl_init_handler;
216 ACPI_EXTERN struct acpi_walk_state *acpi_gbl_breakpoint_walk;
220 ACPI_EXTERN u32 acpi_gbl_original_mode;
221 ACPI_EXTERN u32 acpi_gbl_rsdp_original_location;
222 ACPI_EXTERN u32 acpi_gbl_ns_lookup_count;
223 ACPI_EXTERN u32 acpi_gbl_ps_find_count;
224 ACPI_EXTERN u32 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS];
225 ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save;
226 ACPI_EXTERN u16 acpi_gbl_global_lock_handle;
227 ACPI_EXTERN u8 acpi_gbl_last_owner_id_index;
228 ACPI_EXTERN u8 acpi_gbl_next_owner_id_offset;
229 ACPI_EXTERN u8 acpi_gbl_debugger_configuration;
230 ACPI_EXTERN u8 acpi_gbl_global_lock_acquired;
231 ACPI_EXTERN u8 acpi_gbl_step_to_next_call;
232 ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present;
233 ACPI_EXTERN u8 acpi_gbl_global_lock_present;
234 ACPI_EXTERN u8 acpi_gbl_events_initialized;
235 ACPI_EXTERN u8 acpi_gbl_system_awake_and_running;
237 extern u8 acpi_gbl_shutdown;
238 extern u32 acpi_gbl_startup_flags;
239 extern const u8 acpi_gbl_decode_to8bit[8];
240 extern const char *acpi_gbl_sleep_state_names[ACPI_S_STATE_COUNT];
241 extern const char *acpi_gbl_highest_dstate_names[4];
242 extern const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES];
243 extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
245 /*****************************************************************************
249 ****************************************************************************/
251 #define NUM_NS_TYPES ACPI_TYPE_INVALID+1
253 #if !defined (ACPI_NO_METHOD_EXECUTION) || defined (ACPI_CONSTANT_EVAL_ONLY)
254 #define NUM_PREDEFINED_NAMES 10
256 #define NUM_PREDEFINED_NAMES 9
259 ACPI_EXTERN struct acpi_namespace_node acpi_gbl_root_node_struct;
260 ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_root_node;
261 ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_fadt_gpe_device;
263 extern const u8 acpi_gbl_ns_properties[NUM_NS_TYPES];
264 extern const struct acpi_predefined_names
265 acpi_gbl_pre_defined_names[NUM_PREDEFINED_NAMES];
267 #ifdef ACPI_DEBUG_OUTPUT
268 ACPI_EXTERN u32 acpi_gbl_current_node_count;
269 ACPI_EXTERN u32 acpi_gbl_current_node_size;
270 ACPI_EXTERN u32 acpi_gbl_max_concurrent_node_count;
271 ACPI_EXTERN acpi_size acpi_gbl_entry_stack_pointer;
272 ACPI_EXTERN acpi_size acpi_gbl_lowest_stack_pointer;
273 ACPI_EXTERN u32 acpi_gbl_deepest_nesting;
276 /*****************************************************************************
278 * Interpreter globals
280 ****************************************************************************/
282 ACPI_EXTERN struct acpi_thread_state *acpi_gbl_current_walk_list;
284 /* Control method single step flag */
286 ACPI_EXTERN u8 acpi_gbl_cm_single_step;
288 /*****************************************************************************
292 ****************************************************************************/
294 extern struct acpi_bit_register_info
295 acpi_gbl_bit_register_info[ACPI_NUM_BITREG];
296 ACPI_EXTERN u8 acpi_gbl_sleep_type_a;
297 ACPI_EXTERN u8 acpi_gbl_sleep_type_b;
299 /*****************************************************************************
301 * Event and GPE globals
303 ****************************************************************************/
305 extern struct acpi_fixed_event_info
306 acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS];
307 ACPI_EXTERN struct acpi_fixed_event_handler
308 acpi_gbl_fixed_event_handlers[ACPI_NUM_FIXED_EVENTS];
309 ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head;
310 ACPI_EXTERN struct acpi_gpe_block_info
311 *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS];
313 /*****************************************************************************
317 ****************************************************************************/
319 ACPI_EXTERN u8 acpi_gbl_db_output_flags;
321 #ifdef ACPI_DISASSEMBLER
323 ACPI_EXTERN u8 acpi_gbl_db_opt_disasm;
324 ACPI_EXTERN u8 acpi_gbl_db_opt_verbose;
329 extern u8 acpi_gbl_method_executing;
330 extern u8 acpi_gbl_abort_method;
331 extern u8 acpi_gbl_db_terminate_threads;
333 ACPI_EXTERN int optind;
334 ACPI_EXTERN char *optarg;
336 ACPI_EXTERN u8 acpi_gbl_db_opt_tables;
337 ACPI_EXTERN u8 acpi_gbl_db_opt_stats;
338 ACPI_EXTERN u8 acpi_gbl_db_opt_ini_methods;
340 ACPI_EXTERN char *acpi_gbl_db_args[ACPI_DEBUGGER_MAX_ARGS];
341 ACPI_EXTERN char acpi_gbl_db_line_buf[80];
342 ACPI_EXTERN char acpi_gbl_db_parsed_buf[80];
343 ACPI_EXTERN char acpi_gbl_db_scope_buf[40];
344 ACPI_EXTERN char acpi_gbl_db_debug_filename[40];
345 ACPI_EXTERN u8 acpi_gbl_db_output_to_file;
346 ACPI_EXTERN char *acpi_gbl_db_buffer;
347 ACPI_EXTERN char *acpi_gbl_db_filename;
348 ACPI_EXTERN u32 acpi_gbl_db_debug_level;
349 ACPI_EXTERN u32 acpi_gbl_db_console_debug_level;
350 ACPI_EXTERN struct acpi_table_header *acpi_gbl_db_table_ptr;
351 ACPI_EXTERN struct acpi_namespace_node *acpi_gbl_db_scope_node;
356 ACPI_EXTERN u16 acpi_gbl_obj_type_count[ACPI_TYPE_NS_NODE_MAX + 1];
357 ACPI_EXTERN u16 acpi_gbl_node_type_count[ACPI_TYPE_NS_NODE_MAX + 1];
358 ACPI_EXTERN u16 acpi_gbl_obj_type_count_misc;
359 ACPI_EXTERN u16 acpi_gbl_node_type_count_misc;
360 ACPI_EXTERN u32 acpi_gbl_num_nodes;
361 ACPI_EXTERN u32 acpi_gbl_num_objects;
363 ACPI_EXTERN u32 acpi_gbl_size_of_parse_tree;
364 ACPI_EXTERN u32 acpi_gbl_size_of_method_trees;
365 ACPI_EXTERN u32 acpi_gbl_size_of_node_entries;
366 ACPI_EXTERN u32 acpi_gbl_size_of_acpi_objects;
368 #endif /* ACPI_DEBUGGER */
370 #endif /* __ACGLOBAL_H__ */